Sony Projector VPL-EW130 Instrukcja Użytkownika Pobierz pdf (Strona 19)

VPL-EW130

4-3-2. SDCP

1. Packet Structure

The Fig. 4-5 shows SDCP packet format. The number in the parentheses shows byte. The statement for

each ﬁ eld is described bellow.

Fig. 4-5 SDCP Packet Structure

2. HEADER Field

The HEADER ﬁ eld consists of VERSION and CATEGORY sub ﬁ eld shown below. The length of each

sub ﬁ eld is 1 byte.

Fig. 4-6 HEADER Field

(1) VERSION sub ﬁ eld

This is a ﬁ xed value of 02h, which means “version2”.

(2) CATEGORY sub ﬁ eld

Category number 0Ah of the projector is entered here. Projector checks the category number. If a

different category number is entered, the request is ignored.

3. COMMUNITY Field

When the community data matches the community that is set in the display equipment, the request is

executed. COMMUNITY ﬁ eld should be consist of four alphanumeric characters (case sensitive). All

display equipment has the default value “SONY” when shipped at the factory.

COMMUNITY ﬁ eld should be ﬁ lled with four characters. Three characters or less are not allowed.

HEADER(2) COMMUNITY(4) COMMAND(4)

DATA(n)

VERSION(1) CATEGORY(1)

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 37 38

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Sony Projector VPL-EW130 Instrukcja Użytkownika Strona 19